
TL;DR
This paper investigates a helical D1-brane configuration resulting from the Myers effect, stabilized by momentum flow, and related to supertubes via T-duality, preserving a quarter of supersymmetry.
Contribution
It introduces a novel helical D1-brane configuration stabilized by axial momentum, extending the understanding of Myers effect and its relation to supertubes.
Findings
The helical D1-brane is stabilized by momentum flow preventing collapse.
The tilting angle depends on the number of D1-branes.
The radius of the helix is determined by brane number and momentum.
Abstract
We study `Myers effect' for a bunch of -branes with superstrings moving in one direction along the branes. We show that the `blown-up' configuration is the helical -brane, which is self-supported from collapse by the axial momentum flow. The tilting angle of the helix is determined by the number of -branes. The radius of the helix is stabilized to a certain value depending on the number of -branes and the momentum carried by superstrings. This is actually T-dual version of the supertube recently found as the `blown-up' configuration of a bunch of superstrings carrying -brane charge. It is found that the helical configuration preserves one quarter of the supersymmetry of vacuum.
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